Function tryCombineStructTypes

src/common/types/types.cpp:1536–1558

If we can match child labels and combine their types, then we can combine the struct

// If we can match child labels and combine their types, then we can combine
// the struct
static bool tryCombineStructTypes(const LogicalType& left, const LogicalType& right,
    LogicalType& result) {
    const auto& leftFields = StructType::getFields(left);
    const auto& rightFields = StructType::getFields(right);
    if (leftFields.size() != rightFields.size()) {
        return false;
    }
    std::vector<StructField> newFields;
    for (auto i = 0u; i < leftFields.size(); i++) {
        if (leftFields[i].getName() != rightFields[i].getName()) {
            return false;
        }
        LogicalType combinedType;
        if (LogicalTypeUtils::tryGetMaxLogicalType(leftFields[i].getType(),
                rightFields[i].getType(), combinedType)) {
            newFields.push_back(StructField(leftFields[i].getName(), std::move(combinedType)));
        } else {
            return false;
        }
    }
    result = LogicalType::STRUCT(std::move(newFields));
    return true;
}

// If we can combine the key and value, then we cna combine the map
static bool tryCombineMapTypes(const LogicalType& left, const LogicalType& right,